Google dutifully provides a forum for each product / API they launch. They also graciously decided to display 3 recent articles from their forum on their highly ranked product page. It appears that the forums are not actively monitored by Google staff as they are already being abused for spamming. Here is an example (click on image to view full size):
How Google Product Home Pages Are Spammed
Note: Check out the title highlighted with yellow marker.

Here is the offending ad:

Learn The Big Secret, A Secret And Easy Technique To Making Thousands Online
Jan 03, 2008 - Posted by xsesqgsateof@yahoo.com
I know that many of you may have tried making money online using things like Clickbank, Adsense, Pay-Per-Leads, and multiple …

So the modus operandi of a spammer would be simply to regularly post spam messages to Google forums linked with their product or api pages like their AdSense API forum. Google is pulling the forum post on their front pages, apparently without verification.

BTW: I wonder if Google employees ever check their product forums because there are lots of unanswered questions in them.

Why bother spamming blogs when Google is there to help you? I wonder how soon it will be before we see medical ads adorning their product pages…

Update: Google have removed the offending forum post.